EP 4062978 A4 20231129 - AIR RESPIRATOR AND FIREPROOF CLOTHING WORN WITH AIR RESPIRATOR

Title (en)

AIR RESPIRATOR AND FIREPROOF CLOTHING WORN WITH AIR RESPIRATOR

Title (de)

ATEMSCHUTZGERÄT UND BRANDSCHUTZBEKLEIDUNG MIT ATEMSCHUTZGERÄT

Title (fr)

RESPIRATEUR À AIR ET VÊTEMENT IGNIFUGE PORTÉ AVEC UN RESPIRATEUR À AIR

Publication

EP 4062978 A4 20231129 (EN)

Application

EP 20890477 A 20201112

Priority

JP 2019209142 A 20191119
JP 2020020697 A 20200210
JP 2020042194 W 20201112

Abstract (en)

[origin: EP4062978A1] An air respirator that can exert a cooling effect on a wearer of the air respirator, and fireproof clothing used with the air respirator are provided.A back carrier 20 of an air respirator 10 includes a cooling conduit section 15a having a meandering metal conduit. 15. The cooling conduit section 15a is interposed between a branching port 14 having a pressure reducing valve built in and a medium-pressure hose 18. Breathable gas that is filled in a cylinder 12 at high pressure, and adiabatically expanded via the pressure reducing valve 16 flows into the cooling conduit section 15a so as to exert a cooling effect around the cooling conduit section 15a. Such an air respirator can be used for protective clothing and also for fireproof clothing.

IPC 8 full level

A62B 7/02 (2006.01); A41D 13/00 (2006.01); A41D 13/005 (2006.01); A41D 31/08 (2019.01); A62B 9/00 (2006.01); A62B 9/04 (2006.01); A62B 17/00 (2006.01)

CPC (source: EP US)

A62B 7/02 (2013.01 - US); A62B 9/003 (2013.01 - EP); A62B 9/04 (2013.01 - EP); A62B 17/003 (2013.01 - US); A62B 17/003 (2013.01 - EP)

Citation (search report)

[XI] US 5339806 A 19940823 - BEAUSSANT RAYMOND [FR], et al
[X] US 5542413 A 19960806 - HORN STEPHEN T [US]
See also references of WO 2021100587A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 4062978 A1 20220928; EP 4062978 A4 20231129; JP 2021079063 A 20210527; JP 7506390 B2 20240626; US 2022409935 A1 20221229; WO 2021100587 A1 20210527

DOCDB simple family (application)

EP 20890477 A 20201112; JP 2020020697 A 20200210; JP 2020042194 W 20201112; US 202017777623 A 20201112